Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cdu-bergneustadt.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 02:53:22 UTC · ↺ Refresh
MX Hostnames
- fm01.oberberg.net
MX Priorities
- fm01.oberberg.net: 10
A / AAAA Records
- 212.102.231.214 ↩ cc0214.oberberg.net
Mail Server IPs
- 212.102.225.27 ↩ fm01.oberberg.net
- 2a00:aa40::225:0:0:0:27 ↩ fm01.oberberg.net
SOA Record
Raw SOA
ns3.oberberg-online.de webmaster.cdu-oberberg.de 2025050501 10800 3600 604800 10800
Primary NS (mname)
ns3.oberberg-online.de
Admin Email (rname)
webmaster@cdu-oberberg.de
Serial
2025050501
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns3.oberberg-online.de
ns2.oberberg-online.de
ns.oberberg-online.de
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.oberberg.net -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:_spf.oberberg.net -all
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